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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.